Allergies and hypersensitivities
An allergic reaction occurs when the immune system overreacts to a foreign substance that usually causes few or no problems in most people.
Perfume stinks: how fragrances can affect your health
Fragrances and fragranced products cause health problems, such as asthma and headaches, in 1 in 3 people. Find out what you can do if you experience symptoms.
Food allergies in children
Does your family have a history of eczema, asthma, hay fever or food allergies? Learn about food allergies in children and how to spot a reaction.
Trusted information about allergy types, as well as allergy testing, anaphylaxis, antihistamines and common related conditions such as asthma and hay fever.
Suffering from asthma or hay fever? They may be triggered by allergies. Find out more here about allergy testing.
Antihistamine medications help ease allergy symptoms. Read more here about how they are used to treat conditions like hay fever and asthma.
Egg allergy usually starts in infancy, but most children grow out of it. Learn about the symptoms and diagnosis of egg allergy, plus ways to avoid egg.
Allergies to seafood
Seafood allergy is complex, and 4-in-5 people will have it for life. Find out more about the symptoms and diagnosis of seafood and fish allergy.
Cat and dog allergy
Allergies to cats and dogs are common, and symptoms can be severe. Learn more about how to live with a pet allergy.
What causes asthma?
Trusted information on the causes of asthma and factors that increase the likelihood of developing asthma, and links to trusted resources